Tensioner and installation assembly

F - Mech Eng,Light,Heat,Weapons – 16 – H

Patent

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Details

F16H 7/12 (2006.01) F16H 7/14 (2006.01)

Patent

CA 2674943

A tensioner comprising a base (10) having a shaft (70) fixedly connected thereto, the shaft having a bore (72), a pivot arm (40) pivotally engaged with the shaft and having a pivot axis (A-A), a pulley (50) journalled to the pivot arm and having a center of rotation about axis (C-C), a spring (30) engaged between the base and the pivot arm, a retaining member (90) fixedly engaged with the shaft opposite the base, the pivot arm and spring disposed between the retaining member and the base, a first hole (12) in the base and a second hole (91) in the retaining member aligned with an axis (B-B), the first hole and second hole and bore cooperatively engaging a fastener (110), the axis (B-B) offset a predetermined distance from axis (A-A), the axis (C-C) offset a predetermined distance from axis (A-A), a tool receiver (92) in the retaining member, and the base, shaft and retaining member fixedly connected together such that there may be no relative movement between the base, shaft and retaining member during installation.

Tensionneur comprenant une base (10) ayant un arbre (70) relié de manière fixe à celui-ci, l'arbre ayant un alésage (72), un pivotant (40) coopérant de manière pivotante avec l'arbre et ayant un axe de pivotement (A-A), une poulie (50) reliée au bras pivotant et ayant un centre de rotation autour de l'axe (C-C), un ressort (30) en prise entre la base et le bras pivotant, un élément de retenue (90) coopérant de manière fixe avec l'arbre opposé à la base, le bras pivotant et le ressort étant disposés entre l'élément de retenue et la base, un premier orifice (12) dans la base et un second orifice (91) dans l'élément de retenue aligné avec un axe (B-B), le premier orifice et le second orifice et l'alésage coopérant avec une attache (110), l'axe (B-B) étant décalé d'une distance prédéterminée par rapport à l'axe (A-A), l'axe (C-C) étant décalé d'une distance prédéterminée par rapport à l'axe (A-A), un récepteur d'outil (92) dans l'élément de retenue, et la base, l'arbre et l'élément de retenue étant reliés ensemble de manière fixe afin qu'il ne puisse y avoir aucun mouvement relatif entre la base, l'arbre et l'élément de retenue pendant l'installation.

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